document listing goods or commodities (e.g., gold) stored in a warehouse that shows retention of title to the goods.Warehouse receipts may be negotiable or non-negotiable. Negotiable receipts allow transfer without endorsement and may act as a security for a loan. Non-negotiable receipts must be endorsed upon transfer. Warehouse receipts, regulated by the Uniform Warehouse Receipts Act, allow the sale of goods without having to physically deliver them.